Finding the Fourth Proportional to 10,020.78, 13,822.29 and 8,036.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.78 : 13,822.29 = 8,036.10 : x
2. Step 2: Convert to fraction form
   10,020.78/13,822.29 = 8,036.10/x
3. Step 3: Cross multiply
   10,020.78x = 13,822.29 × 8,036.10
4. Step 4: Simplify right side
   10,020.78x = 111,077,304.67
5. Step 5: Solve for x
   x = 111,077,304.67/10,020.78
6. Step 6: Final answer
   x = 11,084.70